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Stem cells used to partially repair damaged hearts
Patches of stem-cell-derived heart muscle improve damaged hearts.
In a new paper published in the journal Nature, however, a group of German researchers is now describing tests in primates of a method of repairing the heart using new muscle generated from stem cells. This is especially problematic in cases of blocked blood vessels, which can repeatedly starve large areas of the heart of oxygen and nutrients, killing the cardiomyocytes there. Most of the work involves a basic characterization of the fates of the patches after they're implanted, addressing many of the potential concerns associated with putting a large amount of stem-cell-derived tissues into an adult animal.
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